Title:
Heat sealing apparatus including a porous member and fluid pressure
United States Patent 3311525
Inventors:
Fanuzzi, James J.
Calvert, William L.
Publication Date:
03/28/1967
Export Citation:
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Assignee:
UNION CARBIDE CORP
Primary Class:
156/497
Other Classes:
156/499, 392/379, 392/485
International Classes:
B29C65/10; B29C65/18
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US Patent References:
3193406Edge regulator
3087041Space heater
3084489Method of sealing thermoplastic film overwrap
3049795Gas permeable body
2987118Gas burner
2837623Treatment of fluids
Foreign References:
DE691430C
AU114269B